accumulate

verb

1. (transitive)To heap up in a mass; to pile up; to collect or bring together (either literally or figuratively), often gradually and without active intent.

   “He wishes to accumulate a sum of money.”

2. (intransitive)To gradually grow or increase in quantity or number.

   “With her company going bankrupt, her divorce, and a gambling habit, debts started to accumulate so she had to sell her house.”

   “Ill fares the land, to hastening ills a prey, / Where wealth accumulates, and men decay.”

3. (dated)To take a higher degree at the same time with a lower degree, or at a shorter interval than usual.

adj

1. (not-comparable, poetic, rare)Collected; accumulated.